15/04/06 12:13:38.60 CRafuWn+9
>>183
to put your arms around somebody and hold them tightly,
especially to show that you like or love them (OALD)
to hold someone close to your body with your arms,
usually to show that you like, love, or value them (CALD)
When you hug someone, you put your arms around them and hold them tightly,
for example because you like them or are pleased to see them. (COBUILD)
握手をしっかり力をこめなければいけないのと同じで
その力の程度で感情の度合いを測るのかもしれないね。