他们为遗产发生了激烈的争吵。

They had a ___bitter argument over the inheritance.

每当她看到他，心中就充满仇恨的苦楚。

A ___bitter feeling of hatred filled her heart whenever she saw him.

他尖刻的话语透露出深藏的愤怒。

His ___bitter words revealed deep-seated anger.