feel for sb．/sth．同情某人；摸索找某物
feel like＋v－ing（phr．）想要做……
fight against／with 向……斗争
fight off 击退……；竭力避免……
fight with 与……战斗、斗争
figure on＋v－ing（phr．）打算、计划做……
figure on one's＋v－ing（phr．）指望某人做……
figure out at 合计为多少钱
fill（sth．）with 用……（把……）填满、装满
find sth．for sb．为某人找……
