I'm quite certain it would break his heart .
我断定那是会叫他心碎的。
I was certain that they knew who i was .
我是十拿九稳他们知道我是谁。
Certain types of steel don't bore well .
有些品种的钢材不容易打眼。
They do n't want a rerun of a certain event .
他们不愿让事件重演。
All this cannot make progress certain .
所有这些都不可能确实保证进步。
Certain stratal relationships are evident .
某些层的关系是明显的。
Stamp collecting holds a certain fascination for me .
我特别喜爱集邮。
Tall tales have a certain sameness .
荒诞不经的故事有点千篇一律。
The summer heat withered up certain plants .
盛夏炎热使某些植物萎缩了。
certain造句：
One thing is certain， both have the utmost respect for each other.
有一点可以肯定，那就是双方都非常尊重对方。
