1
girth sth
The rider girthed the horse before setting off.
骑手出发前给马系好了肚带。
给（马）系肚带
girthed — past of girth
先理解核心含义，再看它在真实句子里的用法。
给（马）系肚带
To fasten a girth around (a horse).
The rider girthed the horse before setting off.
骑手出发前给马系好了肚带。
像用肚带或带子一样捆绑
To bind as if with a girth or band.
用肚带系紧
tie a cinch around
girth
Base
原形
girths
3rd person
第三人称单数
girthing
-ing
现在分词
girthed
Past
过去式
girthed
Past participle
过去分词
The rider girths the horse before mounting.
骑手上马前给马系上肚带。
He girthed the saddle tightly before the trail ride.
他在越野骑行前把马鞍肚带系紧。
They are girthing the pack animals for the long journey.
他们正在为长途旅行给驮畜系肚带。
动词 girth 意为“给（马等）系肚带；束紧”，是规则动词，现在分词为 girthing。
You should girth the saddle carefully before mounting the horse.
上马前，你应该仔细系紧马鞍的肚带。
The rider girthed the load securely to the pack frame.
骑手把货物牢牢地捆在驮架上。
She is girthing the bundle to the luggage rack before the trip.
她出发前正把包裹绑到行李架上。
The rider girthed the horse before setting off.
骑手出发前给马系好了肚带。
作动词时，girth 既可表示给（马等）系肚带，也可表示用带子缠绕、束紧某物。
They girthed the bundle with a strong band.
他们用一根结实的带子捆扎那个包裹。
Not this
He girth the horse yesterday before riding.
Use this
He girthed the horse yesterday before riding.
girth 是规则动词，一般过去时需用 girthed；汉语动词没有时态变化，学习者容易漏掉 -ed。加上 -ed 才能对应 yesterday 所表示的过去时间。
Not this
The horse girthed before the race.
Use this
The horse was girthed before the race.
girth 是及物动词，必须带宾语；要表达“马被系上肚带”需用被动语态 was girthed，不能像汉语“马系上肚带”那样省略施事并当作不及物动词使用。