| 词汇 | step up |
| 释义 | step up A. intransitive verb ① (move forward) 向前走 ▸ she stepped up to receive her prize 她走上前去领奖 ② (mainly US) (agree to help) 同意帮忙 ▸ it's time you stepped up 该你站出来帮忙了 B. transitive verb [step sth up, step up sth] (increase) 增加 ▸ to step up one's efforts to do sth 更加努力地做某事 ▸ he has stepped up his training to prepare for the race 他加强了训练，为那场赛跑做准备 |
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