sustain
单词辨析：
普通用词，指忍受饥饿、寒冷、疼痛、不幸、困难、侮辱等，多强调忍受者的勇敢和坚毅。
A strong man will bear hardship without complaining.
一个坚强的人会忍受困苦而不抱怨。
I cannot bear sleeping in a cold bed.
睡在冷冰冰的床上我受不了。
She was afraid that her friend wouldn't be able to bear the pain.
她担心她的朋友忍受不了这种痛苦。
强调长期性，主要指对灾难、困难、疼痛等长时间地忍受而不抱怨。
Be quiet! I can't endure the racket any longer.
请安静点！我再也忍受不了这吵闹声了。
As a Black player, he often has to endure racist taunts.
作为黑人运动员，他经常得忍受种族歧视性的奚落。
It takes patience to endure hardship.
忍受苦难需要耐力。
She longs for a love that can endure all things.
她渴望一份能经受住一切考验的爱情。
作“经受”解时，常与 could 或 can 连用，指某人或某物经得起伤害等；作“忍受”解时，主要指对某人、某种困难情况的忍受或承受，通常用于疑问句和否定句中，常可与 bear 换用。
They stood the test of natural calamity.
他们经受住了自然灾害的考验。
How can you stand/bear that noise?
你怎么能忍受那种噪音呢?
I cannot stand/bear to hear such fallacies any more.
这类谬论我再也听不下去了。
She cannot stand/bear her husband coming home late all the time.
她不能容忍丈夫老是晚回家。
指受到损害、创伤或金钱方面的损失。
Two soldiers from his squad sustained serious injuries.
他队中的两名士兵受了重伤。
Several companies have sustained heavy financial losses due to the unfair competition.
好几家公司都因不正当竞争而遭受了严重的经济损失。
指以克制的态度容忍令人反感或厌恶的事物，含默认、宽容之意。
Surely, we tolerate all opinions here.
当然，我们这里容许发表各种意见。
Humanity cannot tolerate such guilt.
人道主义不能容忍这种罪行。
This is more than she can tolerate.
这是她所无法忍受的。
相关例句：
The people who sustain the worst losses are usually those who overreach.
不自量力者往往摔得最惨。
Enhance, grow and sustain fair, responsible and profitable dealings with customers.
加强，发展和维持公平的，负责任的和盈利的客户打交道。
The goal has been to establish and sustain a nation of viable family farms.
目标是要建立一个能够使家庭农场得以存续的国家，并使其维持下去。
The two sides agreed to sustain measures to ensure a strong and durable global economic recovery and financial system.
双方同意继续保持相关措施，确保强劲和可持续地恢复全球经济和金融体系。
Confronted with these risks, the Federal Reserve and my administration have acted to sustain demand.
面对这些风险，美联储和我手下的官员采取了维持需求的行动。
It's hard to sustain a conversation with her.
要和她持续谈话很困难。