處於困境(或險境);如履薄冰;走鋼絲
walk / tread a fine / thin line
處於困境(或險境);如履薄冰;走鋼絲
to be in a difficult or dangerous situation where you could easily make a mistake
He was walking a fine line between being funny and being rude.他想滑稽而不粗魯,難以把握分寸。
釋義來自《牛津高階英漢雙解詞典》第 9 版