“take a lot of trouble to do sth.” 意为 “不辞辛劳地做某事；煞费苦心地做某事”，强调为做某事付出了诸多努力和精力。 用法： 此短语中，“take” 为动词，“a lot of trouble” 表示 “很多麻烦、大量努力”，“to do sth.” 为动词不定式，表目的。 例句： My mother takes a lot of trouble to cook delicious meals for the family every day. 我妈妈每天不辞辛劳地为家人烹饪美味的饭菜。 The teacher took a lot of trouble to help the students who had difficulty in math. 老师煞费苦心地帮助那些数学有困难的学生。