application在法律翻译中通常有以下两种译法：(1)申请，申请书，如application form申请表等；(2)适用、应用，如application engineer应用工程师等。

1申请、申请书

His application for membership of the organization was rejected.

他对该组织会员资格的申请被拒绝了。

2 适用、应用

The application of the arbitration rules of the arbitration institute for arbitration tribunal in effect on the date of the signing of this Agreement is not subject to judicial review.

仲裁庭适用本协议签署日有效的仲裁机构的仲裁规则时不受司法审查。