An operation on a man in which the small tube carrying sperm is cut or blocked, so that he can still have sex normally but cannot make a woman pregnant. It is a permanent method of birth control, usually chosen by men who already have the children they want.

An operation on a man in which the small tube carrying sperm is cut or blocked是一種對男性做的手術，把輸送精子的小管切斷或阻塞, so that he can still have sex normally but cannot make a woman pregnant讓他還是能正常行房，但沒辦法讓女性懷孕。It is a permanent method of birth control這是一種永久性的節育方式, usually chosen by men who already have the children they want通常是已經有了想要的孩子的男性才會選擇。

It is quick and done under local anaesthetic — most men walk out the same day — and it does not change a man's hormones, his desire, or his ability to have sex, which is the thing people most often wrongly worry about.

It is quick and done under local anaesthetic手術很快，在局部麻醉下進行 — most men walk out the same day大部分男性當天就能走著回家 — and it does not change a man's hormones, his desire, or his ability to have sex而且它不會改變男性的荷爾蒙、性慾或行房的能力, which is the thing people most often wrongly worry about這正是大家最常誤會、最擔心的地方。

The usual verb is 'have': 'he had a vasectomy'. A doctor 'performs' one. You may also hear the informal verb 'get snipped' or 'have the snip' in British English — friendly, slightly joking, and very common between friends.

The usual verb is 'have'常用的動詞是『have』: 'he had a vasectomy'『he had a vasectomy（他做了結紮）』。A doctor 'performs' one醫生則是『perform』這個手術。You may also hear the informal verb 'get snipped' or 'have the snip' in British English你也可能會聽到英式英文的口語說法『get snipped』或『have the snip』 — friendly, slightly joking, and very common between friends親切、帶點玩笑意味，在朋友之間很常用。

Reversing a vasectomy is possible but often fails, so in normal talk it is treated as a final decision.

Reversing a vasectomy is possible but often fails結紮手術可以逆轉，但常常會失敗, so in normal talk it is treated as a final decision所以一般說起來，這被當作是最終的決定。

In Taiwan and elsewhere this is a normal medical word; it is not rude, but like anything about private body parts, people choose when to say it.

In Taiwan and elsewhere this is a normal medical word在台灣和其他地方，這都是一個正常的醫學用詞; it is not rude它並不粗俗, but like anything about private body parts, people choose when to say it但就像任何跟私密部位有關的事一樣，大家會自己選擇什麼時候講出口。