|v. piece together, join together||
|v. spell (of words)||
sep-v. risk one's life; do one's level best, to exert one's utmost strength
v. go all out in work, fight with all one's might, combat
phr. We shall fight this life-or-death battle.
phr. He works like crazy.
v. go all out; try one's utmost to do sth