| advert(verb, mark, point, hint, indicate) |
| assume(verb, show, sound, look, suggest) |
| be apprehensive of(verb, dispute, challenge, doubt, question) |
| be curious(verb, dispute, challenge, doubt, question) |
| be dubious(verb, dispute, challenge, doubt, question) |
| be in a quandary(verb, dispute, challenge, doubt, question) |
| be puzzled(verb, dispute, challenge, doubt, question) |
| be uncertain(verb, dispute, challenge, doubt, question) |
| be undetermined(verb, dispute, challenge, doubt, question) |
| blow in(expression, crack, enter, breach, come) |
| book |
| break in upon(verb, expression, idiom, phrasal verb, ingress) |
| breeze in(expression, crack, enter, breach, come) |
| bring to mind(verb, expression, idiom, point, hint) |
| broach(verb, state, drop, give, mean) |
| bust in(verb, expression, stop, break, bother) |
| call in question(expression, idiom, dispute, challenge, doubt) |
| come(verb, crack, enter, breach, introduce) |
| come in(verb, expression, phrasal verb, come, introduce) |
| crack(verb, enter, breach, come, introduce) |