to know well, know a lot about, understand thoroughly; knowledgeable ☊ 
am hiểu ☊ to understand and love ☊ bén duyên ☊ to understand life, be worldly-wise ☊ hiểu chuyện đời ☊ to understand clearly ☊ hiểu rõ ☊ to understand more clearly ☊ hiểu rõ thêm ☊ to understand fully, completely ☊ hiểu thấu ☊ to understand better ☊ hiểu đúng hơn ☊ to not understand (what’s going on) ☊ không hiểu chuyện gì ☊ to not understand why ☊ không hiểu tại sao ☊ grasp from beginning to end, understand thoroughly ☊ quán thông ☊ clear, distinct; clearly, distinctly; to know well, understand clearly ☊ rõ ☊ common principle, common idea, understand the meaning ☊ thông nghĩa ☊ (1) to pass, penetrate, get through, understand (2) to mix; to collect, gather ☊
thấu ☊ to understand thoroughly ☊ thấu hiểu ☊ to understand completely ☊ thấu suốt ☊ to understand thoroughly, sympathize fully ☊ tâm đắc ☊ to try to understand a situation ☊ tìm hiểu tình hình ☊ to understand thoroughly, seize through ☊ tỏ tường ☊