1.
Animated Stroke Order
一帆风顺 (yì fān fēng shùn): Have a favorable wind all the way (adjective/idiom) — Meaning & Stroke Order
one; once; first; structural word between two of the same verb; as soon as; throughout
sail
wind; air movement
to follow, to obey, to be smooth
More vocabulary at the same HSK level as 一帆风顺.