彼得主动提出教他们滑水。用英语怎么说？

彼得主动提出教他们滑水。

Peter offered to teach them water-skiing...

Peter

vi. 渐渐枯竭[消失]，逐渐减少，逐渐减弱，慢慢消失；vt. 使…精疲力竭；n. 彼得（人名）；

例句
As always, Peter had a reason for his action...
一如往常，彼得对自己的行为总有说辞。

offered

v. 出（价）( offer的过去式和过去分词 )，提出，演出，做出；

例句
His mother offered her apologies to the Jones family...
他的母亲向琼斯一家赔了不是。

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

teach

vt. 教，教导，训练，教授；vi. 教书；

例句
Different schools teach different types of syllabus, from the highly academic to the broadly vocational.
不同的学校有不同的教学计划，从高度学术的到普通职业教育的，不一而足。

them

pron. 他们，她们，它们；

例句
I take care of them to the best of my abilities...
我尽我所能地照顾他们。