Must be fluent in written and spoken English for health and safety reasons.

要求使用流利的书面和口头英语表述健康和安全问题。

youdao

The arbitrator shall be fluent in written and spoken English and the English language shall be used throughout the arbitration in all notices, written submissions and oral proceedings.

那些仲裁者将写流利和英语口语和那些英语将被在整个在全部通知内的那些仲裁期间在全部通知内的那些仲裁在全部通知内的那些仲裁使用，写提交和口头行动。

youdao

The major should be English, fluent in spoken English, accurate and natural pronunciation and intonation;

英语专业，英语口语流利，语音语调准确自然；

youdao

But those seeking to scrap bilingual education say that Hispanic youngsters should be encouraged to become completely fluent in written and spoken English if they are to have an equal chance in the jobs market.

BBC: US vote on bilingual schools