1.
He has an empty purse, but a free heart.
他身无分文，但无忧无虑。
2.
No bees, no honey; no work, no money.
无蜂则无密，不劳则无酬
3.
Not have a care in the world, ie have no worries or responsibilities
无尘世之忧（无牵无挂）
4.
There are no words or language; their voice makes no sound.
无言无语，也无声音可听。
5.
and no ignorance or ending of ignorance, up to and including no old age and death or ending of old age and death.
无无明，亦无无明尽；乃至无老死，亦无老死
6.
a nation cannot exist without industry and agriculture, and money and commodities can not circulate without commerce and trade.
一个国家，无工无农无根本;无商无贸无流通。
7.
inanimate matter [nature]
无生物 [无生物界]
8.
"Practice not-doing, and everything will fall into place."
为无为, 则无不治。
9.
There is no suffering, no accumulating, no extinction, and no Way, and no understanding and no attaining.
无苦、集、灭、道。无智亦无得，以无所得故。
10.
Having no value, use, merit, or virtue.
无价值的、无用的、无优点的或无美德的
11.
infinitely or immeasurably small.
无限的或无法测量的
12.
We can live without our friend, but not without our neighbors.
无友可活，无邻难过。
13.
A good conscience is a soft pillow.
[谚]问心无愧，高枕无忧。
14.
Lacking system or structure.
无组织的或无结构的
15.
eliminate completely and without a trace.
完全的排除，无影无踪的。
16.
grin like a Cheshire cat
常常无缘无故地傻笑
17.
Where there's smoke, there's fire.
无火不冒烟，无风不起浪。
18.
No smoke without fire.
无风不起浪，无火不冒烟。