努力nǔ lì
great effort, to strive, to try hard同事tóng shì
colleague, co-worker提高tí gāo
to raise, to increase班bān
team, class, squad, work shift经理jīng lǐ
manager, director认真rèn zhēn
conscientious, earnest, serious主动zhǔ dòng
to take the initiative举办jǔ bàn
to conduct, to hold代表dài biǎo
representative, delegate