(tōng, ㄊㄨㄥ) to go through; to know well; to connect; to communicate; open [CE-DICT]
过
(guò, ㄍㄨㄛˋ) (experienced action marker); to cross; to go over; to pass (time); to celebrate (a holiday); to live; to get along; excessively; too-; surname Guo [CE-DICT]
卡
(kǎ, ㄎㄚˇ) to check; to stop; to block; card [CE-DICT]
(qiǎ, ㄑㄧㄚˇ) customs station; to be choked; to fasten; to clip; to wedge; checkpost [CE-DICT]
拉
(lā, ㄌㄚ) to pull; to play (string instruments); to drag; to draw [CE-DICT]