捏一把汗niē yī bǎ hàn因担心而手心出汗,形容心情极度紧张{with sweat wetting one's palms — be breathless with anxiety; be extremely nervous; be keyed up; be on edge}: 杂技演员表演走钢丝,观众都替他～。{The audience were breathless as they watched the acrobat walking the tightrope.}也说also捏把汗{niē bǎ hàn}。