inexpressive

音标发音

The main fault that has not changed is the clumsy and inexpressive prose style .
尚未改变的主要缺点是其文体臃肿呆板。
translation-dictionary.net
But he remembered how, even then, she had surprised him by dropping back to inexpressive girlishness as soon as her conscience had been eased of its burden;
不过他还记得，即使在那时，她一经摆脱良心的重负、恢复了少女的纯朴，是如何令他大吃了一惊。

His own face, as he observed the human carnival, was as inexpressive as his tongue, but his eye told him more than they could guess.
NEWYORKER: The Limner
He seemed content with making a visual record, day after day, of that naked, statuary figure, of that slow, docile flesh, of that inexpressive face and those closed or, perhaps, fastidious eyes, of a knee bending or a breast tilting or a forefinger slowly removing a speck from a cheek.
NEWYORKER: While the Women Are Sleeping