to be intent on doing
专心于做某事
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The teachers and workers all intent on doing teaching with rapt attention and strive for a new development together. Tomorrow of No. 55 Junior Midlle School will be sure to be more fine!
全体教职工正聚精会神搞教学、一心一意谋发展，五十五中学的明天一定会更加美好！
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