"帮他脱离困境" 英文表达方式有几种：

"help him get out of a tight spot"
这个表达方式来源于俚语，"tight spot" 指的是一种困境或者窘迫的境地。例句：
"I'm really grateful for your help. You really helped me get out of a tight spot."
"I'm glad I could help. It's always good to be able to get someone out of a tight spot."
"assist him in overcoming his difficulties"
这个表达方式强调的是帮助他克服困难的意思。例句：
"We're here to assist you in overcoming your difficulties. Is there anything specific you need help with?"
"I'll do my best to assist you in overcoming your difficulties. Do you have any suggestions for how I can help?"
"rescue him from his predicament"
这个表达方式强调的是从困境中救出的意思。例句：
"We were able to rescue him from his predicament just in time."
"I'm so glad we were able to rescue you from your predicament. Are you okay?"