if somebody does something with aplomb, they do it in a confident and successful way, often in a difficult situation 镇定；沉着；泰然自若 with considerable/great/remarkable aplomb 相当的／十分的／非凡的镇定 He delivered the speech with his usual aplomb. 他以惯常的沉着语气作了演讲。 🔊🔊 She concealed the problem with remarkable aplomb. 她毫不掩饰地掩饰了这个问题。
Word Originlate 18th cent. (in the sense ‘perpendicularity, steadiness’): from French, from à plomb ‘according to a plumb line’.