egg in one's beer (noun) benefit: advantage, profit
Sinonime: abide, be resolute, be stubborn,
continue,
endure, follow through,
follow up*, go all the way, go on, go the limit,
grind, hold on,
insist, keep up,
last, leave no stone unturned,
linger,
obtain, perdure, perseverate,
persevere,
prevail,
pursue, recur,
remain,
repeat, see through, stick it out, stick to guns,
strive, tough it out
Antonime: cease,
give up,
leave,
quit,
stop