強作用力

the strong force (in nuclear physics)

surname Qiang

stubborn / unyielding

strong / powerful / better / slightly more than / vigorous / violent / best in their category, e.g. see 百強|百强[bai3 qiang2]

to force / to compel / to strive / to make an effort

worker / workshop / (slang) troublesome / high-maintenance (person)

to do; to engage in / to write; to compose / to pretend; to feign / to regard as; to consider to be / to be; to act the part of / to feel (itchy, nauseous etc) / writings; works

strong interaction (governing hadrons in nuclear physics)

to act on / to affect / action / function / activity / impact / result / effect / purpose / intent / (suffix) -ation, -tion etc, as in 抑制作用[yi4 zhi4 zuo4 yong4], inhibition

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

effort / active force / applied force

to exert oneself physically

power / force / strength / ability / strenuously