中文 Cinese

• 屢試不爽
• 屡试不爽

義大利文 Italian Spiegare estera:

• ben collaudati
• Time-tested

屢試不爽 屡试不爽 Pronuncia estera:

• [lu:3 shi4 bu4 shuang3]

Inglese Spiegare

• well-tried
• time-tested