我们需要加强水库的安全措施。
据悉，水库已聘请专业保安公司值守。[{'character': '据', 'pinyin': 'jv4', 'highest pitch': 9.57, 'lowest pitch': 7.96, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '悉', 'pinyin': 'xi1', 'highest pitch': 9.63, 'lowest pitch': 7.96, 'duration': 0.33, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.2}, {'character': '水', 'pinyin': 'shuei3', 'highest pitch': 9.07, 'lowest pitch': 6.69, 'duration': 0.26, 'prosody hierarchy': 'null'}, {'character': '库', 'pinyin': 'ku4', 'highest pitch': 11.03, 'lowest pitch': 8.06, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '已', 'pinyin': 'i3', 'highest pitch': 8.06, 'lowest pitch': 6.25, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '聘', 'pinyin': 'pin4', 'highest pitch': 9.53, 'lowest pitch': 7.64, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '请', 'pinyin': 'qing3', 'highest pitch': 7.64, 'lowest pitch': 4.78, 'duration': 0.31, 'prosody hierarchy': '#2'}, {'character': '专', 'pinyin': 'zhuan1', 'highest pitch': 11.13, 'lowest pitch': 10.47, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '业', 'pinyin': 'ie4', 'highest pitch': 11.04, 'lowest pitch': 7.1, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '保', 'pinyin': 'bao3', 'highest pitch': 7.1, 'lowest pitch': 5.28, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '安', 'pinyin': 'an1', 'highest pitch': 8.27, 'lowest pitch': 5.32, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '公', 'pinyin': 'gong1', 'highest pitch': 9.31, 'lowest pitch': 8.02, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '司', 'pinyin': 'sii1', 'highest pitch': 9.72, 'lowest pitch': 9.19, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '值', 'pinyin': 'zhiii2', 'highest pitch': 9.88, 'lowest pitch': 7.57, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '守', 'pinyin': 'shou3', 'highest pitch': 9.61, 'lowest pitch': 3.99, 'duration': 0.32, 'prosody hierarchy': '#4'}]