| be careful(verb, trouble, mind, notice, spot) |
| be cautious(verb, adverb, trouble, mind, notice) |
| take heed(verb, expression, keep, mind, notice) |
| beware(verb, mind, notice, spot, avoid) |
| look out(verb, expression, phrasal verb, keep, mind) |
| take care(verb, expression, trouble, mind, notice) |
| watch out(verb, expression, phrasal verb, trouble, mind) |
| attend(verb, keep, mind, notice, avoid) |
| avoid(verb, adverb, mind, notice, attend) |
| be alert(verb, mind, notice, spot, avoid) |
| be on alert(verb, keep, protect, wait, guard) |
| be on guard(verb, trouble, mind, notice, spot) |
| be on the lookout(verb, keep, protect, wait, guard) |
| be vigilant(verb, keep, protect, wait, guard) |
| be watchful(verb, adverb, keep, mind, notice) |
| care for(verb, expression, phrasal verb, keep, protect) |
| check out(verb, expression, mind, notice, spot) |
| exercise caution |
| guard(verb, keep, protect, wait) |
| guard against(verb, expression, phrasal verb, mind, notice) |