悉力

wǒ yī dìng xī lì xiāng zhù

我一定悉力相助。

I will do all I can to help you.

xī lì dǐ kàng

悉力抵抗

resist with all one's strength

xī lì ér wéi

悉力而为

try for all one is worth

zuò jiā xiǎng yào chéng gōng jiù děi xī lì yǐ fù

作家想要成功就得悉力以赴。

Success as a writer demands great application.