| on the line(noun, expression, adjective, idiom, trouble) |
| on the spot(noun, expression, adjective, idiom, adverb) |
| on thin ice(expression, adjective, idiom, delicate, uncertain) |
| open(adjective, adverb, shaky, vulnerable, exposed) |
| pigeon(adjective, vulnerable, exposed, helpless, powerless) |
| playing with fire(expression, adjective, idiom, doubtful, capable) |
| poor(adjective, vulnerable, exposed, helpless, powerless) |
| powerless(adjective, vulnerable, exposed, helpless, unprotected) |
| precarious(adjective, adverb, open, shaky, capable) |
| risky(adjective, adverb, open, delicate, uncertain) |
| sensile(adjective, easy, passionate, excited, ready) |
| susceptible(adjective, passionate, excited, affected, accessible) |
| touch and go(expression, adjective, idiom, delicate, uncertain) |
| tumble for(expression, adjective, easy, passionate, excited) |
| unarmed(adjective, vulnerable, exposed, helpless, powerless) |
| unguarded(adjective, vulnerable, exposed, helpless, powerless) |
| unprotected(adjective, susceptible, vulnerable, risky, exposed) |
| up the creek(expression, adjective, idiom, susceptible, vulnerable) |
| vulnerable(adjective, susceptible, risky, exposed, helpless) |
| weak(adjective, vulnerable, exposed, helpless, powerless) |