Nà cì lǚxíng zhǐ shì shēngmìng zhōng de yī duǒ xiǎo lànghuā.
That trip was just a small ripple in the ocean of life.
Tips
usage
浪花 is counted with 朵 (the measure word for flowers and cloud-like shapes), reflecting its flowing, flowery appearance. Figuratively, it refers to brief, beautiful episodes in one's life.