2tuōyùn - to check (luggage)
托运
4xiāngzi - suitcase; box
箱子
5chāozhòng - to be overweight (of luggage, freight, etc.)
超重
6chāo - to exceed; to surpass
超
7dēngjīpái - boarding pass
登机牌
8pái - plate; tablet; card
牌
9dēngjīkǒu - boarding gate
登机口
12de - particle to link adverbial and verb
地
13zhàogù - to look after, to care for
照顾
14qǐ fēi - to take off (in an airplane)
起飞
15xiǎoxīn - to be careful
小心
16yí lù píng ān - have a pleasant journey / bon voyage
一路平安
21yéye - paternal grandfather (father's side)
爷爷
22nǎinai - paternal grandmother (father's-side)
奶奶
24shǒudū jīchǎng - Capital Airport (in Beijing)
首都机场
25xiǎoxīn - to be careful
小心
26qǐ fēi - to take off (in an airplane)
起飞