1
quedar paralizado de miedo;quedar petrificado por el terror
1
to be petrified;to be unable to move;to be paralyzed (with horror);to be stupefied (with amazement)
落ちはしないかという恐怖で彼は立ちすくんだ。
Fear of falling caused him to freeze.
Other forms
立ち竦む 【たちすくむ】