练习、锻炼 exercise

身体锻炼教练员 Personal fitness trainer

发声练习锻炼 Sound production practice exercise

疏于练习/锻炼 be lack of practice

特别特别训练锻炼 special training

比喻人经受磨练或锻炼 harden oneself

进行锻炼、训练 work out