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I incline to the view that this conclusion is untenable.

我赞同该结论这一观点。

This argument, however, does not hold water.

但是,这种观点是。

He tried to justify his absence with lame excuses.

他想用借口为自己缺席辩解。

Only the most ingenuous person would believe such a weak excuse!

只有最天真人会相信这么一借口!

He gave a lame excuse for being absent.

他找了借口来解释缺席原因。

I find your theory is untenable and it must be rejected.

我觉得你理论是, 必须予以摒弃。

This disproves the theory that children are purely imitative.

这证明认为儿童只会单纯地模仿理论是。

The argument won't wash.

那论点。