be on your beam ends
beam
verb
uk /biːm/ us /biːm/

beamverb (SMILE)

[ I ]
to smile with obvious pleasure: 高兴的微笑，眉开眼笑
She beamed with delight/pleasure at his remarks.听完他的话她高兴得眉开眼笑。
The child beamed at his teacher as he received the award.那个孩子在领奖时对他的老师报以微笑。
[ + speech ]"I'm so pleased to see you," he beamed (= said as he smiled).“见到你很高兴，”他微笑着说。

SMART Vocabulary: related words and phrases

Laughing and smiling
a gleam in your eyeidiom
amused
be all smilesidiom
be in convulsionsidiom
be rolling in the aislesidiom
be wreathed in smilesidiom
burst
cheesy
crease
dissolve
giggle
giggler
gigglingly
giggly
not know whether to laugh or cryidiom
piss yourself (laughing)idiom
quake
rictus
say cheeseidiom
simper

beamverb (SEND OUT)

[ I or T ]
to send out a beam of light, an electrical or radio signal, etc.: 辐射;发光;闪光;发射电波;播送
The sun beamed (= shone brightly)down on the boat as it drifted along.阳光照在缓缓漂动的船上。
The concert was beamed (= broadcast) by satellite all over the world.音乐会经卫星播送到世界各地。

SMART Vocabulary: related words and phrases

Giving out light
afire
albedo
aura
backlit
beamy
bioluminescence
gleam
glimmer
glitter
glow
luminescent
luminously
noctilucent
non-glare
non-luminous
out-glitter
reflected ray
shine
spotlight
wink

beam | American Dictionary

beam
noun[ C ]
us/bim/

beamnoun[C] (LIGHT)

a line of light coming from the sun or a bright light, esp. as seen against a darker background:
a beam of sunlight
A laser beam scans the disc’s surface.

beamnoun[C] (WOOD)

a long, thick piece of wood, metal, or concrete, esp. one used to support weight in a building or other structure
beam
verb
us/bim/

beamverb (SEND LIGHT)

[ I/T ]
to send out a line of light:
[ I ]The sun beamed down on the ball field.
[ T ]Detroit stations are beamed (= broadcast) to Canadian communities.

beamverb (SMILE)

[ I ]
to smile with obvious pleasure:
His face beamed as if he’d won a gold medal at the Olympics.

Examples of beam

beam
Proposed double-layer target for the generation of high-quality laser-accelerated ion beams.
Penetration of intense charged particle beams in the outer layers of precompressed thermonuclear fuels.
Interaction between neighboring beams in heavy ion fusion reactor chamber.
Generation of quasimonoenergetic electron beams using ultrashort and ultraintense laser pulses.
Laser-driven generation of high-current ion beams using skin-layer ponderomotive acceleration.
Equation-of-state properties of high-energy-density matter using intense heavy ion beams with an annular focal spot.
620 parallel beams in a fusion driver is expected to be of the order of 100.
The approach that has been explored in the past would use a single aper ture for each of the 100 beams of the injector.
Different applications require different optimizations of the proton beams.
We show it is possible to minimize the rms deviation of the intensity by repointing the beams and an optimum is found.
The displacement is supposed to be the same in magnitude for all beams of one cone and to be the same for the symmetric cone.
Demonstration of fusion-evaporation and direct-interaction nuclear reactions using high-intensity laserplasma-accelerated ion beams.
3 ability to describe forward scattering instabilities, not only for mono-energetic photon beams, but also for laser beams with an arbitrary spectral width.
Equation ofstate proper ties of high-energydensity matter using intense heavy ion beams with an annular focal spot.
Excitation of plasma wave by two laser beams.
See all examples of beam
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

Collocations withbeam

beam

These are words often used in combination with beam.

Click on a collocation to see more examples of it.

beam axis
A cusp magnetic field has been installed to improve radial confinement and reduce the field strength on the beam axis.
beam current
The plasma helps propagation of a high beamcurrent without divergence.
beam deflection
In addition to the framing pictures, the channel stability was investigated using the ion beamdeflection.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
See all collocations with beam