Learning to express onself well is an important part of education.
学会把意思表达清楚是受教育的一个重要方面。
He hears the violin squeaking.
他听到了小提琴发出的声音。
For example, you might pick up a travel book and read a few pages before going to sleep. It is enough to dip into it and read bits here and there. In a word, this is tasting.