老师帮我解决了这个难题。
The teacher helped me solve this hard problem.
difficult problem
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
老师帮我解决了这个难题。
The teacher helped me solve this hard problem.
数学难题他也能做。
He can handle even the hard math problems.