/ðɪs/，/ðæt/，th发音一样，都发
/ð/音。This is the one I want.
这就是我要的那个。
This suggestion dumbfounded Joe.
这个建议使乔伊惊呆了。
This knife needs sharpening.
这把刀需要磨了。
This suitcase doesn't lock.
这手提箱锁不上。
This drawer keeps sticking.
这个抽屉老卡住。
That book looks interesting.
那本书好像很有趣。
That phone's always ringing.
那个电话总是响个不停。
That day， everything gelled.
那天，一切都很顺利。
What's that fishy smell?
那是什么腥味
