The following video demonstrates each syllable of the pinyin structure
and the exercise of pinyin/zhuyin with basic Chinese 4-tune pronunciation

Mandarin pinyin tunes
Click the framed calligraphic Chinese symbol icons
to link more related multi-character Chinese words!

zhēn, zhén, zhěn, zhèn

first tune

zhēn

true; real 真 zhēn

loyal; devotion virginity; pure and chaste 貞 zhēn

precious; treasure 珍 zhēn

needle 針 zhēn

Chinese characters also pronunced zhēn

third tune

zhěn

pillow 枕 zhěn

diagnose; examine a patient 診 zhěn

Chinese characters also pronunced zhěn

fourth tune

zhèn

quake; vibrate 震 zhèn

earthquake 地震 dì zhèn
ground 地 dì	quake 震 zhèn

brace up; arouse to action vibrate; oscillate 振 zhèn

battle formation; disposition of troops 陣 zhèn

town press down; keep down 鎮 zhèn

calm and steady cool and composed 鎮定 zhèn dìng
keep down 鎮 zhèn	calm 定 dìng

Chinese characters also pronunced zhèn