11. herewith

with this communication;enclosed in this（同此，随信附上）

例句：

Please find two samples enclosed herewith.
寄上样品两种，请查收。

12. thereafter

after that（此后，后来）

例句：

The commitment fee shall quarterly be paid from the date in the third month thereafter to the earlier day of the Disbursement Date and the Termination Date.
从其后第3个月的该日起开始按季支付承诺费至发放日与终止日中较早之日。

13. therein

in or into that place,time,or thing（在那里，在其中）

例句：

A certificate of the Borrower shall, substantially, comply with the form set forth in Appendix 4, and the attachments specified therein.
借款人证明书，其格式基本上应遵照附录4及其附件规定的格式。

14. thereinafter

in the following part of that matter (as writing, document, or speech)（在下文）

例句：

All expenses and risks thereinafter shall be borne by your side.
此后一切所发生的风险和费用由你方承担。

15. thereof

of that（在其中）

例句：

When the Buyer is entitled to determine the time within a specified period and /or the place of taking delivery, the Buyer in question shall give the Seller the notice thereof.
买方有权确定在规定期限内提取货物的时间和/或地点时，应将有关信息通知卖方。

16. thereto

to that（此外，在其上）

例句：

The parties thereto shall, in good faith, comply with the decision and award of the arbitration tribunal.
双方须以良好诚信的态度遵守仲裁庭的决定。

17. thereunder

under that part of a contract（在其下，按规定条款）

例句：

The Borrower fails to pay amount payable thereunder as amount shall become payable.
借款人未能支付根据该协议规定到期应付的款项。

18. therewith

with that（与此）

例句：

I therewith withdraw my complaints.
我同时撤回我的投诉。

19. whereby

by which（凭此，由此）

例句：

They voted to accept a deal whereby the union will receive nearly three-quarters of a million pounds from the International Miners Organisation.
他们表决同意了一项协议，根据这一协议工会将从国际矿工组织得到近75万英镑。

20. wherein

in which（在那方面）

例句：

Adequate housing is possible in developed, mixed economies wherein the interests of the poor have prevailed.
在发达的混合经济体中，充足的房源供给是可能的，在那里贫困阶层的利益较有保障。

21. whereof

of which（其中，有关的）

例句：

A contract made by an urban council, whereof the value and amount exceed X50, must be under seal, and certain other formalities must be observed.
由市政厅签署的合同，若其中涉及的金额和数量超过50倍，则须盖章并履行其他手续。