tā / xiōng yǒu chéng suàn / de / jiē shòu / le / zhè gè / rèn wù / xiǎn rán / yǐ jīng / zuò hǎo / le / zhǔn bèi

她胸有成算地接受了这个任务，显然已经做好了准备。

She accepted the task with confidence, clearly having already prepared.