支撑的近义词是

近义词: 维持 maintain

vt. 维持；继续；维修；主张；供养
The house costs a fortune to maintain.

维修这房子花费巨大。

It's hard to maintain competitive pricing.

很难保持有竞争力的定价。

The government struggled to maintain law and order.

政府努力维持治安。

He could not maintain his maniac speed for much longer.

他不能太长时间地保持这种疯狂的速度。