[网络] 技术上的困难;技术难点;技术困难 be in difficulties: 经济拮据in difficulties: 处境困难; 有困难, 拮据breathing difficulties: 呼吸困难bristle with difficulties: 面临很多困难dentition difficulties: 出牙困难下载手机词典可随时随地查词查翻译