like: schädlich → →
schädlich ☊ 
Độc hại ☊ 
☊ schädlich ☊ 有害的 ☊ yǒu hài de cleaner cars (= not producing so many harmful substances) ☊ clean ☊
a hard (= very harmful) drug such as heroin ☊ drug ☊
a soft drug (= one that is not considered very harmful) ☊ drug ☊
the harmful effects of alcohol ☊ harmful ☊
the sun's harmful ultra-violet rays ☊ harmful ☊
Many household products are potentially harmful. ☊ harmful ☊
harmful to sb/sth: Fruit juices can be harmful to children's teeth. ☊ harmful ☊
The bacteria is harmless to humans. ☊ harmless ☊
Exhaust fumes are bad for your health. ☊ health ☊
sunglasses that shut out 99% of the sun's harmful rays ☊ shut sb/sth out (of sth) ☊
split (within sth): a damaging split within the party leadership ☊ split ☊
the use of environmentally unfriendly products (= that harm the environment) ☊ unfriendly ☊