发挥领导作用

play a leading role

发挥才能

bring one's talents into play

发挥无穷无尽的力量

exert unlimited power

发挥最大的效用

exhibit maximum effectiveness

发挥主观能动性

take the initiative

发挥自己的长处

bring one's own strong points into play

象棋手今天没有发挥好。

The chess player didn't perform well today.

发挥集体的优越性

exert the group's superiority

发挥出巨大威力

exert enormous power

发挥自己的论点

elaborate one's own views

借题发挥

make use of a topic to elaborate one's own ideas