★★★
  keep from
使避免,忍住
 
 
They checked the safety system on a regular basis now to
keep the tragedy from happening again.

他們正依規定檢查消防系統以免悲劇再度發生。
She can't keep from crying at the funeral.
她無法在葬禮上克制不哭。

prevent
refrain from

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