liǎng / gè / rén / bú / huì / gòng / tóng / de / yǔ / yán / zhǐ / hǎo / dǎ / yǎ / yǔ / bǐ / hua / zhe / gōu / tōng

两个人不会共同的语言，只好打哑语比画着沟通。

The two people had no common language, so they had to communicate through gestures and sign language.