guard

vt

1. 警戒；保卫

• guard one's reputation 保护自己的名誉

2. 看守；监视(犯人等)

• guard the prisoners closely 严密看守囚犯

3. 谨慎使用(言词等)

• guard one's tongue 说话谨慎

4. 保守

• Guard the secret with your life! (要)用生命保守这个机密!

vi

1. 防范；防止

• guard against diseases 预防疾病

• guard against arrogance and rashness 戒骄戒躁

2. 守卫；看守