(1)焦(忧)虑，不安(troubled feeling caused by worry，fear or uncertainty about sth)[U] [N(for)]：feel(have/be filled with)strong(keen)～for (about) mother's return/sb's safety/sb's health/the future 感到(觉得/充满)对母亲的归来/某人的安全/某人的健康/未来的极度焦虑;one's～over what was to be done 不知如何是好的忧虑;wait in～/with a growing sense of～焦虑/越来越焦虑地等待;ask with a touch of～有点焦虑地问;tremble with～焦虑得颤抖;cause sb great～使某人极度不安;〖同〗uneasiness，unease，fear，worry;〖反〗relief，assurance，certainty;

(2)令人不安(焦虑)的事(example of such a feeling)[C]：All his cares and～ies make him look quite old/left him exhausted.他心事重重、焦虑不安，这使他显得苍老/心力交瘁。remove all sb's～ies 消除某人一切忧虑;After that he had no more～ies at all.打那以后，他再也没有什么可焦虑的了。

(3)焦虑不安的原因(cause of this)[C]：His sick mother is a great～to him.生病的母亲是他的一大心病。John's illness is just another～for his poor mother.约翰的病是他可怜的母亲的又一大愁事。one's major financial～ies 某人财政方面的主要担忧;

(4)渴(热)望(strong desire，wish or eagerness to do sth)[U] [N+to-inf，N(for)]：His～to succeed led him to work hard.成功的渴望使他发奋。one's～to do well/to please sb 干好事情/取悦某人的渴望;one's～for knowledge/promotion/the news 对知识/提升/消息的渴望;〖同〗 eagerness;

←′anxious adj;

【用法】参见ANXIOUS。