一心 (yī xīn) — wholeheartedly; with one's heart and soul

Definition

一心 highlights single-minded devotion to one purpose — stronger than 专心 (just focusing) and closer in force to 全身心/全心全意 but more compact. Used as both adverb and adjective.

wholeheartedlywith one's heart and soul

Examples

。
Tā yì xīn xiǎng qù běi jīng lǚ yóu.
He wholeheartedly wants to go to Beijing for a trip.
。
Tā yì xīn wèi le hái zi de wèi lái.
She is entirely devoted to her child's future.
，。
Tā yì xīn tóu rù gōng zuò, cóng bù xiǎng bié de.
He devotes himself wholeheartedly to work and never thinks of other things.