freeze up

phr

• ① (使)冻结;冰封

• ② (态度等)变冷淡
  • She gradually froze up and stopped seeing me.她逐渐变得冷淡而不再来看我。
  • He froze up when I mentioned his ex-wife.我提到他的前妻时,他的表情就变得冷淡。