水を差す

Meaning

1. expv5s
   to pour water (into); to dilute with water
2. expv5s
   to hinder; to hamper; to throw cold water on; to put a damper on; to estrange (people)

Example sentences

• 彼がばかげた発言して水を差すまでは、会議はスムーズに進んでいた。

  The meeting was going off without a hitch until he threw a wet blanket on it by making silly remarks.