| burst upon |
| ambush(take, disturb, discover, seize, interrupt) |
| bushwhack(take, disturb, discover, seize, interrupt) |
| capture(take, disturb, discover, seize, interrupt) |
| catch in the act(expression, idiom, take, disturb, discover) |
| catch off-balance(expression, take, disturb, discover, seize) |
| catch off-guard(expression, take, disturb, discover, seize) |
| catch red-handed(expression, take, disturb, discover, seize) |
| catch unawares(expression, take, disturb, discover, seize) |
| come down on(expression, idiom, take, disturb, discover) |
| discover(take, disturb, seize, surprise, interrupt) |
| drop in on(expression, idiom, take, disturb, discover) |
| grab(take, disturb, discover, seize, interrupt) |
| grasp(take, disturb, discover, seize, interrupt) |
| lay for(expression, take, disturb, discover, seize) |
| lie in wait(expression, idiom, take, disturb, discover) |
| nab(take, disturb, discover, seize, interrupt) |
| seize(take, disturb, discover, interrupt, disrupt) |
| spring on(expression, take, disturb, discover, seize) |
| startle |