Word: 心底 (xīndǐ) 心底 dictionary entry xīndǐ bottom of one's heart Full dictionary entry for 心底 Example sentences using 心底 2 sentences, showing page 1 of 1. 他从心底笑了出来。 Tā cóng xīndǐ xiàole chūlái. He laughed a hearty laugh. 我打心底里感激你。 Wǒ dǎ xīndǐ lǐ gǎnjī nǐ. I thank you from the bottom of my heart.