Intermediate Level 中级 (zhōngjí)
Correct answer: D
Analysis:
A.“训练 (xùnliàn)” is the Chinese phrase for “to train.”
“训 (xùn)” means to train and “练 (liàn)” means to practice.
B.“联系 (liánxì)” is the Chinese phrase for “to contact.”
“联 (lián)” means to ally and “系 (xì)” means system.
C.“练习 (liànxí)” is the Chinese phrase for “to practice.”
“练 (liàn)” means to practice and “习 (xí)” means to study.
D.“锻炼 (duànliàn)” is the Chinese phrase for “to work out.”
“锻 (duàn)” means to discipline and “炼 (liàn)” means to refine.