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(sudden, heavy) shower (on a summer afternoon or evening); evening shower
突然の夕立に降られて傘がなくて濡れてしまった。
I got caught in an evening shower and got wet.
夏は午後に夕立が多いので折り畳み傘が必要だ。
Umbrellas are needed because of frequent evening showers in summer.
夕立が過ぎて空を見上げたら虹が出ていた。
A rainbow appeared after the evening shower passed.