恩德情义极为深重。
出处：明・冯梦龙《警世通言》第32卷：“海誓山盟，各无他志。真个恩深似海无底，义重如山义更高。”
用法：作谓语、定语；指恩情很深。
英语 One's kindness to somebody has been as vast as the sea.
