never slacken one’s effort to do

从不放松努力做某事  detail>>

slacken

 vt.  1.松弛，松劲，放松。 2.放慢，使慢下来；削弱；减少。  vi.  1.(绳索等)变松弛，松劲。 ...  detail>>

that will never do

断断使不得  detail>>

this will never do

这事永远行不通  detail>>

never a one

没有一个, 没有一个人  detail>>

in an effort to do

努力..  detail>>

make an effort to do

努力..  detail>>

make every effort to do

想尽一切办法去做…  detail>>

spare no effort(to do)

不遗余力地干  detail>>

make one more effort

再着一把力  detail>>

do one

尽责任 为国家尽一份力 自己起火 做一件事  detail>>

do one in

杀死；使力竭 使力竭  detail>>

no one will do

没人会这麽做  detail>>

love will never do

没有你没有爱  detail>>

never do things by halves

创业难 凡是都唔可以半途而废 守业更难 做事不可半途而费 做事不要半途而废 做事情不要半途而废 做事要有始有终  detail>>

never fail to do

从未做不到（双重否定表示强调）  detail>>

oh no that will never do

这绝对不行  detail>>

the sweetest dream will never do

也不及可以梦见到你 最甜蜜的梦也无济于事  detail>>