cho biết 
to announce, report, provide information, tell, make known [ cho ] : add, give; to, for; to say, claim; in order to; let, allow, permit
[ biết ] : to know, know how to do (something) be aware of
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
She says that taking care of a child is harder than having an actual job. 
Sie sagte, es sei schwieriger, auf Kinder aufzupassen als zu arbeiten.