His felicitous words went down well in the region but were quickly forgotten.
他的巧妙措辞在该地区反响不错，但很快就被人遗忘了。
The intensity is determined be a felicitous arrangement of the atomic energy levels.
这一强度取决于原子能级的`适当排列。
When she died I was filled with a sense of loss.
她去世后我心里充满了失落感。
The void left by his mother's death was never filled.
他母亲死后留下的空虚感永远没能填补上。