不得已

Despite this change occurred for special incident, it was not completely accidental. Cen Chunxuan advanced with the political situation because of subjective and objective factors.

这种政治上的转变虽然可说是不得已而为之，但并不是偶然发生的，是在主客观两方面原因促成下，岑春煊一直能够与时而变所导致的结果。

On account of different reasons, this research has failed in several attempts such as the gravity model, Ballance model and CGE model.

在实证分析中，由于相关因子众多以及某些统计数据无法获得的原因，笔者不得已会对一些变量进行忽略处理，这样就会在一定程度上影响研究的准确性。

Do not gum up the work by telling mother what we are going to do .

别告诉母亲我们要干的事，那会把事情搞糟的。

In recent years, application of the partial prestressed concrete beam s is developed.

近年来，随着部分预应力砼梁应用的推广，发现我国规范所采用的名义拉应力法的计算结果不稳定。