to feel relaxed and confident
感到放松和自信 (gǎndào fàngsōng hé zìxìn)
"He finally felt at ease speaking in public."
"他最终在公开演讲时感到轻松自在。" (Tā zuìzhōng zài gōngkāi yǎnjiǎng shí gǎndào **qīngsōng zìzài**.)
to plan something in detail
A period of great prosperity followed by a sharp decline.
to save money for future emergencies
To be very full or crowded.
to make a lot of progress or improvement
To try every possible way to achieve something.
