lián / xù / gōng / zuò / le / shí / jǐ / gè / xiǎo / shí / dà / jiā / dōu / xiǎn / de / pí / dùn / bù / kān

连续工作了十几个小时，大家都显得疲顿不堪。

After working for more than ten hours straight, everyone looked utterly exhausted.