He was stopped at the airport by an assistant superintendent of police.

他在机场被一名助理警长扣留了。

youdao

Instead of accepting a scholarship to a university, Orwell decided to follow family tradition and, in 1922, went to Burma as assistant district superintendent in the Indian Imperial Police.

他没有接受奖学金上大学，遵循家庭传统他1922年去了缅甸成了皇家警察的一员。

youdao

Hari Narayan Singh, an assistant superintendent of police, was in the control room that oversees the running of the festival that day.

BBC: India