()とし(あな)

おとしあな
noun
pitfall, trap, snare
1. pitfall, trap hole
A concealed hole in the ground designed to trap animals or people who step on it.
()とし(あな)()る。
To dig a pitfall trap.
子供(こども)たちが砂浜(すなはま)()とし(あな)(つく)っていた。
The children were making a pitfall trap on the beach.
動物(どうぶつ)()とし(あな)にはまって(うご)けなくなった。
An animal fell into the trap and couldn't move.
2. pitfall, hidden danger, trap
A hidden risk, unexpected problem, or deceptive situation that catches someone off guard.
この契約(けいやく)には()とし(あな)がある。
This contract has a hidden pitfall.
(やす)物件(ぶっけん)には()とし(あな)があることが(おお)い。
Cheap properties often come with hidden catches.
成功(せいこう)()えても()とし(あな)()をつけなければならない。
Even when things look successful, you need to watch out for hidden pitfalls.

Compound of ()とす (to drop) + (あな) (hole). The figurative sense (hidden danger) is more common than the literal sense in everyday use.

COMMON PATTERNS:

  • ()とし(あな)にはまる: to fall into a trap/pitfall
  • ()とし(あな)()をつける: to watch out for pitfalls
  • ~には()とし(あな)がある: there is a pitfall in ~
  • (おも)わぬ()とし(あな): an unexpected pitfall
  • ()とし(あな)()る: to dig a pitfall trap (literal)

SIMILAR WORDS:

  • わな: trap, snare — can be physical or figurative
  • (おとし)いれる: to trap someone, to entrap
  • ()とし(あな) specifically implies something hidden that you don't notice until it's too late