- 拔管困难
- difficulty: n. 1.困难；难事，难局，逆境；障碍。 2.异议；争论 ...
- decannulation: 除套管法; 除套管术
- be in difficulty: 有困难
- difficulty: n. 1.困难；难事，难局，逆境；障碍。 2.异议；争论，纠葛。 3.〔常 pl.〕财政困难，(经济)拮据。 be in difficulties 财政困难，经济拮据。 make a difficulty 不同意，反对。 make [raise] difficulties 刁难。 make no difficulty in (granting the request) 立即同意[应允]。 tide over difficulties 渡过难关。 with difficulty 好容易才，千辛万苦才。 without difficulty 容容易易就…，轻易。
- in difficulty: 处境困难; 困难处境
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