infallible
🇺🇸
/ɪnˈfæləbl/
🇬🇧
/ɪnˈfæləbl/
adjective
R
always correct; without errors
Even the most experienced teachers can't be infallible in predicting student performance.
即使是最有经验的老师也无法在预测学生表现上做到绝对无误。
R
always effective; never failing
His infallible sense of direction made him an excellent tour guide.
他那绝对准确的方向感使他成为了一名出色的导游。
translation
无误, 可靠