汤姆不清楚玛丽是否喜欢他。

Tom doesn't know whether Mary likes him or not.

Source: Tatoeba

Sentence Composition

1 汤姆 Tāngmǔ Tom (name)
2 不清楚 bùqīngchu
  1. unclear
  2. not understood
  3. currently unknown
3 玛丽 Mǎlì
  1. Mary or Marie (name)
  2. Mali
4 是否 shìfǒu
  1. whether (or not)
  2. if
  3. is or isn't
5 喜欢 xǐhuan to like; to be fond of
6 他 tā
  1. (third-person singular) (since the early 20th century, usu. male) he; him; his
  2. (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)