1) A great man cannot brook a rival.
一山难容两虎。
2) It's easier to catch a tiger than to set it free-It's easier to start something than to conclude it satisfactorily
捉虎容易放虎难
3) Two high & one difficulty
两高一难
5) one river and two mountains
一江两山
1.
The tourist ring in the west of Hubei province is rich in the most resourceful tourist resources,one river and two mountains,while the developing status is that Hanjiang River develops quickly and Wudang Mountains and Shennongjia Mountains slowly.
鄂西旅游圈拥有湖北省最丰富的旅游资源——"一江两山",但呈现"一江独秀,两山较弱"的发展态势。
6) have a wolf by the ears
进退两难;骑虎难下;处于危境
补充资料：一山
【一山】
（杂名）以寺院多在山中，故一寺亦名一山。但一山之名广，而一寺之称狭。【又】（人名）僧一宁，字一山，(参见：一宁)
（杂名）以寺院多在山中，故一寺亦名一山。但一山之名广，而一寺之称狭。【又】（人名）僧一宁，字一山，(参见：一宁)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条