The Chinese word for jet ski is
喷气式滑雪板

pēn qì shì huá xuě bǎn

jet ski

Chinese Definition

Components
喷
1. Simplified form of 噴
气
1. Variant of 氣
2. Variant of 乞
3. Variant of 餼
式
1. (literary, or in compounds) standard; established practice; norm
2. (literary, or in compounds) type; style; pattern
3. (literary, or in compounds) ritual; ceremony
4. (literary, or in compounds) example
5. (mathematics, chemistry) formula
6. (grammar) tense
7. (grammar) mood; mode
敘述式 - indicative mood
滑
1. to slip; to slide
2. to get away without punishment
3. to swipe (on an electronic product)
滑手機 - to play on one's phone
4. smooth; glossy
5. slippery; slick
小心地滑 - beware of slippery floor (a phrase commonly seen on warning signs)
6. cunning; crafty; sly
Hua
7. Used in 滑稽 (gǔjī)
雪
1. snow
下雪 - to snow
2. to wipe away; to clean
3. (dialectal) ice; product containing ice
4. (Cantonese) to refrigerate; to store in the refrigerator
5. (Cantonese, figuratively) to set aside; to shelve
6. (Malaysia, Singapore) Short for 雪蘭莪, Selangor
Xue
板
1. plank; board
木板 - board; plank
玻璃板 - glass board
2. blackboard
板報
3. sluggish; stiff; inflexible
呆板 - sluggish
古板 - stuffy; old-fashioned and inflexible
4. to harden; hardened
5. (internet) board (sub-unit of a larger BBS or imageboard)
6. (music) clapper
7. (music) beat; meter; rhythm (in music or Chinese opera)
行板 - andante
散sǎn板 - sanban
8. to look serious or displeased
9. (literary or Min Nan) wooden coffin
10. (Min Nan) ability; capability; talent
11. (Suzhou) to have to; must
噶聲閒話板是俚說噶。 - That voice must be his., W-SZ, ref=1993, 蘇州方言詞典, page 19
12. Variant of 闆