| 41. | forge a sword, a chain , an anchor, etc |
| 锻造剑, 铁链, 锚等
|
| 42. | take two links out of the chain to shorten it |
| 取下两个链环把链子弄短
|
| 43. | chain (up) animals |
| 用链条把动物拴住
|
| 44. | a silver watch at the end of a chain |
| 系在表链末端的银表
|
| 45. | chain reaction |
| 连锁反应
|
| 46. | a link in a chain of evidence |
| 一系列证据中的一环
|
| 47. | chain ( ed ) lightning |
| 链状闪电，叉状闪电；（美俚）下等威士忌酒
|
| 48. | a chain letter |
| （收信人看过后需复写几份再分寄他人，如此不断持续以扩大收信人范围的）连锁信
|
| 49. | a chain gang |
| (美）用链子拴在一起的囚犯队；（美俚）轮流在加班火车上服务的列车乘务组
|
| 50. | chain a gate |
| 用链条把大门锁上
|