Compounds:

HSK5000 A1+A2+B1

HSK5000 B2 + C1
3690 (verb: to slip away / to sneak off) He slipped out the back door and was not seen by anyone. Er schlüpfte unbemerkt durch die Hintertür hinaus. Anh lẻn ra cửa sau mà không bị chú ý. Anh lẻn ra cửa sau mà không bị_chú ý . He \| sneaked \| out \| door \| back \| without \| noticed.