气力

effort; energy; strength

♦ 学习外语要用很大的~才能学好。 It takes a lot of effort to learn a foreign language well.

♦ 我们得费很大~去完成这项工作。 We'll have to exert great efforts to accomplish the task.

♦ 他用出全身~向对手猛扑过去。 He pounced on the adversary with all his strength.

♦ 他不费什么~就办成了这事。 He got it done easily.

♦ 这事需要花费~。 This will take a lot of doing.