脚: foot...
出版社: publishing house...
偶尔: occasionally, once in a while, sometimes...
痛快: delighted, to one's heart's content, straightforward, also pr....
符号: symbol, mark, sign...
角色: role, character in a novel, persona, also pr....
强调: to emphasize (a statement), to stress...
不易: not easy to do sth, difficult, unchanging...
夏季: summer...
退出: to withdraw, to abort, to quit, to log out (computing)...