| 词汇 | guard-against |
| 释义 | guard against somethingphrasal verb with guardverb[ T ]uk /ɡɑːd/ us /ɡɑːrd/ to take careful action in order to try to prevent something from happening: 防止，防范 Regular exercise helps guard against heart disease.经常锻炼有助于预防心脏病。 Preventing and impeding anti-drug anti-jamming avoid avoidable avoidably fireproof flameproof frustration hamper hang have someone/something hanging round your neckidiom head off preclusion preclusive prejudice prevent preventable scuttle smother suffocate |
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